Input: 100V-240V 50/60Hz; Output: 12V DC, 3A Max. It perfect replacement for 1A / 1.5A / 2A / 2.5A as amperage isnt forced. (If your previous Adaptor was less than 3A then this will be a perfect replacement as amperage is NOT Forced).Output adaptor jack size: 5.5mm x 2.5mm (Compatible plug 5.5mmx2.1mm jack size). DC Plug Polarity: inner Positive(+), outer Negative(-), Polarity is irreversible.Safety Protection: Short-Circuit Protection, Overload Protection, Over Voltage Protection to protect your device.WIDE APPLICATION: widely use for Led Flexible Light Strip, Security Camera, LED & LCD TVs, Computer Monitor, DVR Streaming Media Players, Android TV Box and so on.(The devices power cannot exceed 36W) 
